Drinking cup



FIG. 1 is a top, perspective view of a drinking cup showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The conical-like protrusion within the interior of the drinking cup is understood to angle downward and extend to the bottom of the drinking cup where it is open from the bottom side. 

The ornamental design for a drinking cup, as shown and described. 